If i were you , you should not waste your money on buying those besides you are just back up to bitcoin world you should utilize and diversify the bitcoin that you remain in previous years not on wasting them but still its your decision though to make such action because its your own money. 
Keeping money on exchange sites do have really risk of lossing it.
Keeping money on exchange sites do have really risk of lossing it.What do you mean by waste your money? buying something from online and steam games ? If you mean so, then actually I didn't want to use debit card/paypal, when BTC option is available in many sites now.. that's why i'm using it for.. it isn't great amount either way, it is better than gambling on it.
About diversify btc, I have a reserved btc for that.